Ossipee, NH Radon Mitigation and Testing

Q: What is the average radon level in Ossipee, NH?

Based on 2 user-submitted tests, the average radon level is 16.50 pCi/L.

Q: What EPA Radon Zone is Ossipee in?

Ossipee is in Carroll County, EPA Zone 1.

Q: How much does radon mitigation cost in Ossipee?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Avg: 16.50 pCi/L

Carroll County

EPA Zone 1

2 user tests

Centered in Carroll County in New Hampshire's Lakes Region, Ossipee has recorded an average radon level of 16.5 pCi/L from local testing. This reading significantly exceeds the EPA action level of 4.0 pCi/L, reflecting the area's granite bedrock and glacial deposits that create ideal conditions for radon accumulation. Homeowners in zip code 03864 should prioritize immediate radon mitigation given these substantially elevated levels.

16.50

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Ossipee, NH. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Ossipee, NH Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Ossipee, NH Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Ossipee, New Hampshire Radon Levels

User-submitted radon test readings from homes in the Ossipee area.

Radon Level	City	Home Age	Foundation	Submitted
13 pCi/L	Ossipee, NH	51-99 Years	Full Basement	Sep 2024
20 pCi/L	Ossipee, NH	0-20 Years	Full Basement	Dec 2021

Have a radon test result for Ossipee? Submit your reading to help other homeowners.

Ossipee Radon Facts

Key details about the radon risk profile for Ossipee and the 03864 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Carroll County, NH

Zip Code

03864

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

16.50 pCi/L

User Tests Submitted

Ossipee and the 03864 zip code are located in Carroll County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Ossipee, NH

What is the average radon level in Ossipee, NH?

Based on 2 user-submitted tests, the average radon level in Ossipee is 16.50 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Ossipee in?

Ossipee and the 03864 zip code are in Carroll County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Ossipee?

Radon mitigation in Ossipee typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Ossipee?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.

Most Active Radon Markets in New Hampshire

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Tamworth	12.67 pCi/L	6
Freedom	10.75 pCi/L	4